<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        const target = {
            name: 'xiaomi'
        }

        const handler = {
            get() {
                return 'redmi'
            }
        }
        const {proxy, revoke} = Proxy.revocable(target, handler)

        console.log(proxy.name) // redmi
        console.log(target.name) // xiaomi

        revoke() // 撤销代理
        console.log(proxy.name) // 报错
    </script>
</body>
</html>